US8672178B2 - Hole plug assembly - Google Patents
Hole plug assembly Download PDFInfo
- Publication number
- US8672178B2 US8672178B2 US13/636,189 US201113636189A US8672178B2 US 8672178 B2 US8672178 B2 US 8672178B2 US 201113636189 A US201113636189 A US 201113636189A US 8672178 B2 US8672178 B2 US 8672178B2
- Authority
- US
- United States
- Prior art keywords
- lip
- hole plug
- plug assembly
- bellows
- covering base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/24—Superstructure sub-units with access or drainage openings having movable or removable closures; Sealing means therefor
Definitions
- Embodiments of the present invention generally relate to devices configured to plug holes within panels, and, more particularly, to hole plug assemblies having a double-lip design.
- Various devices and components include panels and the like having holes formed therein. During an assembly process, the holes may receive and retain fasteners, or allow tubing, wiring, or the like to pass therethrough. In some instances, however, a hole may not be utilized. Similarly, the hole may be reserved for a future application, for example. Hole plugs are used to securely cover and close holes formed within panels of a device.
- FIG. 1 illustrates an isometric top view of a conventional hole plug 10 .
- the hole plug 10 is typically formed of a resilient material, such as rubber, that allows the hole plug 10 to flex, while at the same time providing a fluid-tight barrier.
- the hole plug 10 includes a main body 12 .
- the main body 12 includes a central covering base 14 configured to cover a hole.
- the base 14 is integrally formed with an arcuate, bell-shaped upper lip 16 that extends upwardly from outer edges of the base 14 and circumferentially extends around the base 14 .
- FIG. 2 illustrates an axial cross-sectional view of the conventional hole plug 10 secured to a panel 18 .
- a hole is formed through the panel 18 .
- the hole plug 10 also includes a lower lip 20 that radially extends from the base 14 underneath the upper lip 16 .
- the lower lip 20 also circumferentially extends around the base 14 .
- the edges 22 of the panel 18 that define the hole are pinched between the upper lip 16 and the lower lip 20 . As such, the hole plug 10 is secured to the panel 10 within the hole.
- the upper and lower lips 16 and 20 are flexible and configured to allow the base 14 to be inserted into the hole. During this insertion process, the upper and lower lips 16 and 20 , respectively, snap into a securing relationship with respect to the edges 22 of the panel 18 .
- FIG. 3 illustrates an axial cross-sectional view of the conventional hole plug 10 secured to a panel 18 ′.
- the panel 18 ′ is thicker than the panel 18 .
- the gap between the lips 16 and 20 in the secured position is wider than that shown in FIG. 2 .
- the top lip 16 flattens.
- the hole plug 10 may be unable to be used.
- the vestige v that is, the portion of the upper lip 16 above a top surface of the panel 18 ′ decreases.
- the decrease in the vestige v occurs because the upper lip 16 opens wider to accommodate the thicker panel 18 ′, and therefore tends to flatten.
- panel thickness causes the top lip 16 to completely flatten against the panel 18 ′ such that it is unable to accommodate a thicker panel.
- An exemplary range of panel thickness that may be accommodated by a typical hole plug, such as the hole plug 10 is on the order of 2 mm.
- the height of the upper lip 16 may be increased so that the vestige v is increased.
- the increased height of the upper lip may prove to be visually and functionally unacceptable.
- an increased height of the upper lip may adversely affect the retaining ability of the hole plug.
- Certain embodiments of the present invention provide a hole plug assembly that includes a covering base connected to a first lip, at least one extensible member having a first portion connected to one or both of the covering base or the first lip, and a second lip connected to a second portion of the at least one extensible member.
- the at least one extensible member is configured to expand and contract with respect to a central axis of the covering base.
- the first lip and the second lip are configured to securely fasten to an edge of a panel defining a hole within the panel.
- the at least one extensible member is configured to allow the first and second lips to securely fasten to panels of increased thicknesses.
- the at least one extensible member may include a bellows.
- the at least one extensible member may include a first extensible member connected to one or both of the covering base or the first lip, and a second extensible member connected to the first extensible member.
- the at least one extensible member may include multiple bellows.
- the covering base, the first lip, the at least one extensible member, and the second lip may be integrally formed together. Further, the hole plug assembly may be formed of an elastomeric material.
- FIG. 1 illustrates an isometric top view of a conventional hole plug.
- FIG. 2 illustrates an axial cross-sectional view of a conventional hole plug secured to a first panel.
- FIG. 3 illustrates an axial cross-sectional view of a conventional hole plug secured to a second panel.
- FIG. 4 illustrates an isometric top view of a hole plug assembly, according to an embodiment of the present invention.
- FIG. 5 illustrates a top plan view of a hole plug assembly, according to an embodiment of the present invention.
- FIG. 6 illustrates an axial cross-sectional view of a hole plug assembly through line 6 - 6 of FIG. 5 , according to an embodiment of the present invention.
- FIG. 7 illustrates an axial cross-sectional view of a hole plug assembly secured to a first panel, according to an embodiment of the present invention.
- FIG. 8 illustrates an axial cross-sectional view of a hole plug assembly secured to a second panel, according to an embodiment of the present invention.
- FIG. 9 illustrates an isometric top view of a hole plug in a fully-expanded state, according to an embodiment of the present invention.
- FIG. 4 illustrates an isometric top view of a hole plug assembly 40 , according to an embodiment of the present invention.
- FIG. 5 illustrates a top plan view of the hole plug assembly 40 .
- the assembly 40 includes a main body 42 having a central base 44 connected to an upper lip 46 through a circumferential extensible portion or bellows 48 .
- the hole plug assembly 40 is configured to be secured within a hole formed in a panel.
- FIG. 6 illustrates an axial cross-sectional view of the hole plug assembly 40 through line 6 - 6 of FIG. 5 .
- a lower lip 50 radially extends from the base 44 underneath the upper lip 46 . Similar to the upper lip 46 , the lower lip 50 extends circumferentially around the base 44 .
- the upper lip 46 includes an arcuate bulge 52 that connects to a terminal flange 54 .
- the flange 54 and the lower lip 50 are configured to compressively sandwich an edge of a panel therebetween.
- the bellows 48 includes a flexible ledge 56 that is directed inwardly toward the central axis x of the assembly 40 .
- the ledge 56 integrally connects to a curved intermediate portion 58 which, in turn, integrally connects to a flap 60 that connects to the base 44 and/or proximate the union of the lower lip 50 and the base 44 .
- the assembly 40 may include additional bellows 48 .
- an upper bellows may integrally connect to a lower bellows that integrally connects to the base 44 .
- the additional bellows allow for increased extension between the upper and lower lips 46 and 50 , respectively.
- the assembly 40 may be integrally formed from a single piece of resilient material, such as an elastomeric material that allows the assembly 40 to flex.
- the bellows 48 may be formed of a separate piece of flexible material that is secured to the upper lip 46 and base 44 through bonding or the like.
- the circumferential bellows 48 allows the upper lip 46 to separate from the lower lip 50 over a greater distance, as compared to the conventional hole plug 10 , which is shown and described with respect to FIGS. 1-3 .
- FIG. 7 illustrates an axial cross-sectional view of a hole plug assembly 40 secured to a first panel 70 , according to an embodiment of the present invention.
- the flange 54 of the upper lip 46 and the lower lip 50 securely retain edges of the panel 70 that define a hole within the panel 70 . Because the assembly 40 is formed of a flexible material, the upper and lower lips 46 and 50 , respectively, are able to flexibly snap into position.
- the panel 70 is thin enough that the bellows 48 does not greatly expand. Instead, the ledge 56 remains substantially parallel with the base 44 .
- FIG. 8 illustrates an axial cross-sectional view of the hole plug assembly 40 secured to a second panel 80 , according to an embodiment of the present invention.
- the panel 80 is substantially thicker than the panel 70 (shown in FIG. 7 )
- the bellows 48 expands and flattens with respect to the central axis x of the assembly 40 . That is, instead of the bulges 52 of the upper lip 46 flattening with respect to arrows A, the bellows 48 flattens over directions that are parallel to the central axis x of the assembly 40 .
- the bellows 48 is able to expand in order to provide an increased and conforming gap between the upper and lower lips 46 and 50 , respectively.
- the upper lip 46 remains visually and functionally acceptable with respect to various different applications.
- FIG. 9 illustrates an isometric top view of the hole plug 40 in a fully-expanded state, according to an embodiment of the present invention.
- the bellows 48 may substantially flatten in order to provide an increased gap between the upper and lower lips 46 and 50 , respectively.
- embodiments of the present invention provide a hole plug assembly having an extensible portion, such as a bellows, between upper and lower lips that is configured to expand the gap between the lips in order to accommodate varying panel thicknesses.
- the assembly 40 can accommodate a much wider range of panel thicknesses, such as, for example, on the order of 5 mm.
- double-lip hole plug designs were unable to accommodate panels having such a thickness.
- the embodiments of the present invention are configured to be used with such panels.
- the assembly 40 may be sized and shaped differently to accommodate any kind of panel.
- the assembly 40 is generally shown as circular, the assembly 40 may be shaped as a rectangle, square, triangle, etc.
Abstract
Description
Claims (15)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/636,189 US8672178B2 (en) | 2010-04-20 | 2011-04-14 | Hole plug assembly |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32597910P | 2010-04-20 | 2010-04-20 | |
US13/636,189 US8672178B2 (en) | 2010-04-20 | 2011-04-14 | Hole plug assembly |
PCT/US2011/032394 WO2011133374A1 (en) | 2010-04-20 | 2011-04-14 | Hole plug assembly |
Publications (2)
Publication Number | Publication Date |
---|---|
US20130014444A1 US20130014444A1 (en) | 2013-01-17 |
US8672178B2 true US8672178B2 (en) | 2014-03-18 |
Family
ID=44186380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/636,189 Expired - Fee Related US8672178B2 (en) | 2010-04-20 | 2011-04-14 | Hole plug assembly |
Country Status (2)
Country | Link |
---|---|
US (1) | US8672178B2 (en) |
WO (1) | WO2011133374A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140319160A1 (en) * | 2011-11-16 | 2014-10-30 | Nifco Inc. | Hole plug |
US20150135598A1 (en) * | 2013-11-15 | 2015-05-21 | Trw Automotive Electronics & Components Gmbh | Closure plug |
US20150362073A1 (en) * | 2013-01-09 | 2015-12-17 | Nifco Inc. | Hole plug |
US20170218646A1 (en) * | 2016-02-02 | 2017-08-03 | Michael Hartman | Adjustable Hole Cover |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6412892B2 (en) * | 2016-02-25 | 2018-10-24 | 株式会社ニフコ | Hole plug |
EP3747743B1 (en) * | 2019-06-05 | 2022-07-27 | Illinois Tool Works Inc. | Sealing plugs |
EP3753819A1 (en) * | 2019-06-18 | 2020-12-23 | Illinois Tool Works Inc. | Sealing element for holes |
Citations (49)
Publication number | Priority date | Publication date | Assignee | Title |
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US2552917A (en) * | 1948-11-17 | 1951-05-15 | United Carr Fastener Corp | Universal plug button or closure |
US3021975A (en) * | 1960-04-07 | 1962-02-20 | United Carr Fastener Corp | Closure member |
US3332572A (en) * | 1963-10-14 | 1967-07-25 | United Carr Inc | Sealing plug |
US3851794A (en) * | 1970-09-01 | 1974-12-03 | Itw Ateco Gmbh | An expansible holeplug with seal |
US4143432A (en) * | 1976-05-21 | 1979-03-13 | Deken Frederick J | Adjustable drain plug |
USRE30326E (en) * | 1977-07-20 | 1980-07-08 | Trw Inc. | Panel hole closure |
US4290536A (en) * | 1979-03-28 | 1981-09-22 | Itw De France | Closure for sealing openings in panels |
US4301629A (en) * | 1979-06-27 | 1981-11-24 | James Cooksey | Hole sealing water-tight plug |
US4334632A (en) * | 1980-03-03 | 1982-06-15 | Nifco Inc. | Stopper for opening |
US4363420A (en) * | 1980-01-11 | 1982-12-14 | Trw Inc. | Aperture plugs |
US4399927A (en) * | 1980-05-21 | 1983-08-23 | Nissan Motor Company, Limited | Snap-on plug |
US4534088A (en) * | 1983-08-29 | 1985-08-13 | James Ricke | Hole plug |
US4588105A (en) * | 1984-07-26 | 1986-05-13 | Trw United-Carr Gmbh | Sealing plug |
US4588104A (en) | 1985-07-12 | 1986-05-13 | Trw, Inc. | Floor pan plug |
US4646932A (en) * | 1985-04-06 | 1987-03-03 | Itw Ataco Gmbh | Opening stopper for automotive vehicle bodies |
US4761319A (en) * | 1986-01-03 | 1988-08-02 | Trw United-Carr Gmbh | Closure cover |
US4760935A (en) * | 1984-12-18 | 1988-08-02 | Den Beld Paul Christiaan H Van | Plastic closure plug |
US4801040A (en) * | 1987-04-22 | 1989-01-31 | Trw United Carr-Gmbh | Closure cover of plastic |
US4938378A (en) * | 1988-05-26 | 1990-07-03 | Trw United-Carr Gmbh & Co. | Closure cover |
US4998642A (en) * | 1988-09-15 | 1991-03-12 | Trw United Carr Gmbh & Co. | Plastic sealing cover |
US5071022A (en) * | 1989-05-29 | 1991-12-10 | Trw United Carr Gmbh & Co. | Closure cover |
US5267667A (en) * | 1991-10-04 | 1993-12-07 | Itw De France | Plug adapted to be fixed by means of hot melt adhesive into an opening in a plate such as an automobile body |
US5353472A (en) * | 1992-12-28 | 1994-10-11 | Benda Steven J | Grommet/plug |
US5505324A (en) | 1995-05-26 | 1996-04-09 | Trw, Inc. | Hole closure |
US5659924A (en) * | 1994-01-28 | 1997-08-26 | Chemcast Corporation | Grommet with flexible sealing passage |
US5702133A (en) * | 1996-03-18 | 1997-12-30 | Chrysler Corporation | Universal snap-in metal plug |
US5749491A (en) * | 1996-07-01 | 1998-05-12 | Wylder; Robert N. | Reusable cover for rendering a conventional reusable drinking container spill resistant |
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WO2001000477A1 (en) | 1999-06-25 | 2001-01-04 | Collins & Aikman Products Co. | Insertable vehicle floor drain |
US6296136B1 (en) * | 1998-07-09 | 2001-10-02 | I.T.W. De France | Obturator with improved retention in a metal sheet aperture |
US6319436B1 (en) * | 1997-10-27 | 2001-11-20 | Trw Inc. | Method for making floor fan seal plug with thermoexpanding seal ring and axial guide members |
US6557208B2 (en) * | 2000-02-28 | 2003-05-06 | I.T.W. De France | Obturator for an opening produced in a metal sheet |
US6691468B2 (en) * | 2001-11-19 | 2004-02-17 | Sika Automotive | Orifice sealing physical barrier |
US6708979B2 (en) * | 2001-11-19 | 2004-03-23 | Sika Automotive | Orifice sealing physical barrier |
US20050000973A1 (en) * | 2002-11-15 | 2005-01-06 | Albert Sbongk | Closure plug for sealingly closing a hole in a structural member |
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EP1757848A1 (en) | 2004-05-24 | 2007-02-28 | Daiwa Kasei Kogyo Kabushiki Kaisha | Hole plug |
US7347655B2 (en) * | 2002-11-13 | 2008-03-25 | Nifco Inc. | Hole plug |
US7537132B2 (en) * | 2004-08-20 | 2009-05-26 | American Flange & Mfg. Co., Inc. | Tamper evident plug and combination |
US7578413B2 (en) * | 2002-04-22 | 2009-08-25 | Trw Automotive Electronics & Components Gmbh & Co. Kg | Single-piece sealing cover |
US20110005141A1 (en) * | 2008-04-30 | 2011-01-13 | I.T.W. De France | Obturator |
US8070008B2 (en) * | 2006-02-16 | 2011-12-06 | Itw Automotive Products Gmbh & Co. Kg | Sealing plug with a pressure-compensating chamber |
US8162166B2 (en) * | 2006-11-24 | 2012-04-24 | Piolax Inc. | Hole plug |
US20120193359A1 (en) * | 2011-02-02 | 2012-08-02 | Fresenius Medical Care Deutschland Gmbh | Plug for closing and/or sealing an opening in a medical device, treatment apparatus and method |
US8371789B2 (en) * | 2008-10-08 | 2013-02-12 | Nifco Inc. | Hole plug |
-
2011
- 2011-04-14 US US13/636,189 patent/US8672178B2/en not_active Expired - Fee Related
- 2011-04-14 WO PCT/US2011/032394 patent/WO2011133374A1/en active Application Filing
Patent Citations (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2552917A (en) * | 1948-11-17 | 1951-05-15 | United Carr Fastener Corp | Universal plug button or closure |
US3021975A (en) * | 1960-04-07 | 1962-02-20 | United Carr Fastener Corp | Closure member |
US3332572A (en) * | 1963-10-14 | 1967-07-25 | United Carr Inc | Sealing plug |
US3851794A (en) * | 1970-09-01 | 1974-12-03 | Itw Ateco Gmbh | An expansible holeplug with seal |
US4143432A (en) * | 1976-05-21 | 1979-03-13 | Deken Frederick J | Adjustable drain plug |
USRE30326E (en) * | 1977-07-20 | 1980-07-08 | Trw Inc. | Panel hole closure |
US4290536A (en) * | 1979-03-28 | 1981-09-22 | Itw De France | Closure for sealing openings in panels |
US4301629A (en) * | 1979-06-27 | 1981-11-24 | James Cooksey | Hole sealing water-tight plug |
US4363420A (en) * | 1980-01-11 | 1982-12-14 | Trw Inc. | Aperture plugs |
US4334632A (en) * | 1980-03-03 | 1982-06-15 | Nifco Inc. | Stopper for opening |
US4399927A (en) * | 1980-05-21 | 1983-08-23 | Nissan Motor Company, Limited | Snap-on plug |
US4534088A (en) * | 1983-08-29 | 1985-08-13 | James Ricke | Hole plug |
US4588105A (en) * | 1984-07-26 | 1986-05-13 | Trw United-Carr Gmbh | Sealing plug |
US4760935A (en) * | 1984-12-18 | 1988-08-02 | Den Beld Paul Christiaan H Van | Plastic closure plug |
US4646932A (en) * | 1985-04-06 | 1987-03-03 | Itw Ataco Gmbh | Opening stopper for automotive vehicle bodies |
US4588104A (en) | 1985-07-12 | 1986-05-13 | Trw, Inc. | Floor pan plug |
US4761319A (en) * | 1986-01-03 | 1988-08-02 | Trw United-Carr Gmbh | Closure cover |
US4801040A (en) * | 1987-04-22 | 1989-01-31 | Trw United Carr-Gmbh | Closure cover of plastic |
US4938378A (en) * | 1988-05-26 | 1990-07-03 | Trw United-Carr Gmbh & Co. | Closure cover |
US4998642A (en) * | 1988-09-15 | 1991-03-12 | Trw United Carr Gmbh & Co. | Plastic sealing cover |
US5071022A (en) * | 1989-05-29 | 1991-12-10 | Trw United Carr Gmbh & Co. | Closure cover |
US5267667A (en) * | 1991-10-04 | 1993-12-07 | Itw De France | Plug adapted to be fixed by means of hot melt adhesive into an opening in a plate such as an automobile body |
US5353472A (en) * | 1992-12-28 | 1994-10-11 | Benda Steven J | Grommet/plug |
US5659924A (en) * | 1994-01-28 | 1997-08-26 | Chemcast Corporation | Grommet with flexible sealing passage |
US5505324A (en) | 1995-05-26 | 1996-04-09 | Trw, Inc. | Hole closure |
US5702133A (en) * | 1996-03-18 | 1997-12-30 | Chrysler Corporation | Universal snap-in metal plug |
US5749491A (en) * | 1996-07-01 | 1998-05-12 | Wylder; Robert N. | Reusable cover for rendering a conventional reusable drinking container spill resistant |
US6119305A (en) * | 1997-06-17 | 2000-09-19 | Ta Mfg Co. | Sealing elements |
US6319436B1 (en) * | 1997-10-27 | 2001-11-20 | Trw Inc. | Method for making floor fan seal plug with thermoexpanding seal ring and axial guide members |
US6296136B1 (en) * | 1998-07-09 | 2001-10-02 | I.T.W. De France | Obturator with improved retention in a metal sheet aperture |
WO2001000477A1 (en) | 1999-06-25 | 2001-01-04 | Collins & Aikman Products Co. | Insertable vehicle floor drain |
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US6557208B2 (en) * | 2000-02-28 | 2003-05-06 | I.T.W. De France | Obturator for an opening produced in a metal sheet |
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US7108269B2 (en) * | 2001-10-01 | 2006-09-19 | Itw Automotive Products Gmbh & Co. Kg | Plug for the sealing closure of an opening in a sheet of a body or the bottom of an automobile |
US6691468B2 (en) * | 2001-11-19 | 2004-02-17 | Sika Automotive | Orifice sealing physical barrier |
US6708979B2 (en) * | 2001-11-19 | 2004-03-23 | Sika Automotive | Orifice sealing physical barrier |
US7578413B2 (en) * | 2002-04-22 | 2009-08-25 | Trw Automotive Electronics & Components Gmbh & Co. Kg | Single-piece sealing cover |
US7347655B2 (en) * | 2002-11-13 | 2008-03-25 | Nifco Inc. | Hole plug |
US20050000973A1 (en) * | 2002-11-15 | 2005-01-06 | Albert Sbongk | Closure plug for sealingly closing a hole in a structural member |
US7997437B2 (en) * | 2003-03-27 | 2011-08-16 | Trw Automotive Electronics & Components Gmbh & Co. Kg | Body filler plug |
US20060186130A1 (en) * | 2003-03-27 | 2006-08-24 | Stefan Jatzke | Body filler plug |
EP1757848A1 (en) | 2004-05-24 | 2007-02-28 | Daiwa Kasei Kogyo Kabushiki Kaisha | Hole plug |
US20070062962A1 (en) | 2004-05-24 | 2007-03-22 | Toshio Iwahara | Hole plugs |
US20050269330A1 (en) * | 2004-06-08 | 2005-12-08 | Baughman Gary M | Closure assembly for a container |
US7537132B2 (en) * | 2004-08-20 | 2009-05-26 | American Flange & Mfg. Co., Inc. | Tamper evident plug and combination |
US20060091144A1 (en) * | 2004-11-03 | 2006-05-04 | George Siragusa | Overmolded adhesive hole plug |
US20060278653A1 (en) * | 2005-06-08 | 2006-12-14 | Zeyfang Frederick W | Center pull tab plug with sealing flange |
US8070008B2 (en) * | 2006-02-16 | 2011-12-06 | Itw Automotive Products Gmbh & Co. Kg | Sealing plug with a pressure-compensating chamber |
US8162166B2 (en) * | 2006-11-24 | 2012-04-24 | Piolax Inc. | Hole plug |
US20110005141A1 (en) * | 2008-04-30 | 2011-01-13 | I.T.W. De France | Obturator |
US8371789B2 (en) * | 2008-10-08 | 2013-02-12 | Nifco Inc. | Hole plug |
US20120193359A1 (en) * | 2011-02-02 | 2012-08-02 | Fresenius Medical Care Deutschland Gmbh | Plug for closing and/or sealing an opening in a medical device, treatment apparatus and method |
Non-Patent Citations (1)
Title |
---|
An International Search Report and Written Opinion, dated Jul. 15, 2011, in International Application No. PCT/US2011/032394. |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140319160A1 (en) * | 2011-11-16 | 2014-10-30 | Nifco Inc. | Hole plug |
US9309972B2 (en) * | 2011-11-16 | 2016-04-12 | Nifco Inc. | Hole plug |
US20150362073A1 (en) * | 2013-01-09 | 2015-12-17 | Nifco Inc. | Hole plug |
US9494234B2 (en) * | 2013-01-09 | 2016-11-15 | Nifco, Inc. | Hole plug |
US20150135598A1 (en) * | 2013-11-15 | 2015-05-21 | Trw Automotive Electronics & Components Gmbh | Closure plug |
US9233652B2 (en) * | 2013-11-15 | 2016-01-12 | Trw Automotive Electronics & Components Gmbh | Closure plug |
US20170218646A1 (en) * | 2016-02-02 | 2017-08-03 | Michael Hartman | Adjustable Hole Cover |
US10094128B2 (en) * | 2016-02-02 | 2018-10-09 | Michael Hartman | Adjustable hole cover |
Also Published As
Publication number | Publication date |
---|---|
WO2011133374A1 (en) | 2011-10-27 |
US20130014444A1 (en) | 2013-01-17 |
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